Patents by Inventor Hermann Ernst Robert Papst

Hermann Ernst Robert Papst has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Assembly for the damping of flexural and torsional vibration in the shafts of machines
    Patent number: 4036030
    Abstract: Disclosed is an assembly for the damping of flexural and torsional vibration in the shafts of machines, for instance in the spindles of machine tools, wherein said spindle or shaft between two bearings thereof is surrounded by a bending resistant sleeve or tube with a clearance defined between both parts, which sleeve rotates with said shaft, whereby the clearance gap is filled with a damping viscous medium, preferably lubricating oil.
    Type: Grant
    Filed: September 16, 1974
    Date of Patent: July 19, 1977
    Inventor: Hermann Ernst Robert Papst